1. The quality or state of being frightful; extreme terribleness or awfulness.
Usage: Plural form of frightfulness; Abstract noun expressing degree or intensity of something frightful

Examples

• The frightfulnesses of war were documented in the historical records.
• She described the various frightfulnesses she had witnessed during the disaster.
• The novel explored the frightfulnesses of human cruelty.
• Despite the frightfulnesses of the situation, they remained hopeful.
• The report detailed multiple frightfulnesses that had occurred in the facility.